Nasdaq - Delayed Quote
USD
Vanguard Institutional Index Instl Pl (VIIIX)
618.26
-1.89
(-0.30%)
As of 8:10:27 AM EDT. Market Open.
Currency in USD
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Date
Open
High
Low
Close
Close price adjusted for splits.
Adj Close
Adjusted close price adjusted for splits and dividend and/or capital gain distributions.
Volume
Oct 29, 2026
618.26
618.26
618.26
618.26
618.26
-
Oct 28, 2026
620.15
620.15
620.15
620.15
620.15
-
Oct 27, 2026
618.43
618.43
618.43
618.43
618.43
-
Oct 26, 2026
614.76
614.76
614.76
614.76
614.76
-
Oct 23, 2026
610.50
610.50
610.50
610.50
610.50
-
Oct 22, 2026
613.66
613.66
613.66
613.66
613.66
-
Oct 21, 2026
621.15
621.15
621.15
621.15
621.15
-
Oct 20, 2026
617.58
617.58
617.58
617.58
617.58
-
Oct 19, 2026
615.82
615.82
615.82
615.82
615.82
-
Oct 16, 2026
613.32
613.32
613.32
613.32
613.32
-
Oct 15, 2026
620.09
620.09
620.09
620.09
620.09
-
Oct 14, 2026
618.04
618.04
618.04
618.04
618.04
-
Oct 13, 2026
624.96
624.96
624.96
624.96
624.96
-
Oct 12, 2026
625.09
625.09
625.09
625.09
625.09
-
Oct 9, 2026
625.43
625.43
625.43
625.43
625.43
-
Oct 8, 2026
621.66
621.66
621.66
621.66
621.66
-
Oct 7, 2026
624.57
624.57
624.57
624.57
624.57
-
Oct 6, 2026
625.93
625.93
625.93
625.93
625.93
-
Oct 5, 2026
622.29
622.29
622.29
622.29
622.29
-
Oct 2, 2026
618.18
618.18
618.18
618.18
618.18
-
Oct 1, 2026
613.62
613.62
613.62
613.62
613.62
-
Sep 30, 2026
612.41
612.41
612.41
612.41
612.41
-
Sep 29, 2026
613.90
613.90
613.90
613.90
613.90
-
Sep 28, 2026
614.93
614.93
614.93
614.93
614.93
-
Sep 25, 2026
619.71
619.71
619.71
619.71
619.71
-
Sep 24, 2026
616.56
616.56
616.56
616.56
616.56
-
Sep 23, 2026
1.605
Distribution
Fund distributions shown include income and capital gains
Sep 23, 2026
616.70
616.70
616.70
616.70
616.70
-
Sep 22, 2026
623.00
623.00
623.00
623.00
621.40
-
Sep 21, 2026
623.01
623.01
623.01
623.01
621.40
-
Sep 18, 2026
613.79
613.79
613.79
613.79
612.21
-
Sep 17, 2026
612.77
612.77
612.77
612.77
611.19
-
Sep 16, 2026
605.85
605.85
605.85
605.85
604.29
-
Sep 15, 2026
608.55
608.55
608.55
608.55
606.98
-
Sep 14, 2026
611.20
611.20
611.20
611.20
609.63
-
Sep 11, 2026
614.14
614.14
614.14
614.14
612.56
-
Sep 10, 2026
608.88
608.88
608.88
608.88
607.31
-
Sep 9, 2026
612.39
612.39
612.39
612.39
610.81
-
Sep 8, 2026
615.35
615.35
615.35
615.35
613.76
-
Sep 4, 2026
618.95
618.95
618.95
618.95
617.36
-
Sep 3, 2026
621.19
621.19
621.19
621.19
619.59
-
Sep 2, 2026
614.64
614.64
614.64
614.64
613.06
-
Sep 1, 2026
611.82
611.82
611.82
611.82
610.24
-
Aug 31, 2026
616.14
616.14
616.14
616.14
614.55
-
Aug 28, 2026
618.17
618.17
618.17
618.17
616.58
-
Aug 27, 2026
619.69
619.69
619.69
619.69
618.09
-
Aug 26, 2026
615.26
615.26
615.26
615.26
613.67
-
Aug 25, 2026
615.38
615.38
615.38
615.38
613.79
-
Aug 24, 2026
613.39
613.39
613.39
613.39
611.81
-
Aug 21, 2026
615.10
615.10
615.10
615.10
613.52
-
Aug 20, 2026
612.41
612.41
612.41
612.41
610.83
-
Aug 19, 2026
617.69
617.69
617.69
617.69
616.10
-
Aug 18, 2026
616.34
616.34
616.34
616.34
614.75
-
Aug 17, 2026
620.60
620.60
620.60
620.60
619.00
-
Aug 14, 2026
623.78
623.78
623.78
623.78
622.17
-
Aug 13, 2026
624.77
624.77
624.77
624.77
623.16
-
Aug 12, 2026
620.71
620.71
620.71
620.71
619.11
-
Aug 11, 2026
619.06
619.06
619.06
619.06
617.47
-
Aug 10, 2026
621.04
621.04
621.04
621.04
619.44
-
Aug 7, 2026
621.34
621.34
621.34
621.34
619.74
-
Aug 6, 2026
617.49
617.49
617.49
617.49
615.90
-
Aug 5, 2026
618.58
618.58
618.58
618.58
616.99
-
Aug 4, 2026
619.62
619.62
619.62
619.62
618.02
-
Aug 3, 2026
608.72
608.72
608.72
608.72
607.15
-
Jul 31, 2026
599.81
599.81
599.81
599.81
598.26
-
Jul 30, 2026
595.61
595.61
595.61
595.61
594.08
-
Jul 29, 2026
585.88
585.88
585.88
585.88
584.37
-
Jul 28, 2026
594.90
594.90
594.90
594.90
593.37
-
Jul 27, 2026
593.64
593.64
593.64
593.64
592.11
-
Jul 24, 2026
593.54
593.54
593.54
593.54
592.01
-
Jul 23, 2026
593.19
593.19
593.19
593.19
591.66
-
Jul 22, 2026
600.44
600.44
600.44
600.44
598.89
-
Jul 21, 2026
601.25
601.25
601.25
601.25
599.70
-
Jul 20, 2026
595.97
595.97
595.97
595.97
594.43
-
Jul 17, 2026
597.11
597.11
597.11
597.11
595.57
-
Jul 16, 2026
603.19
603.19
603.19
603.19
601.64
-
Jul 15, 2026
606.28
606.28
606.28
606.28
604.72
-
Jul 14, 2026
603.94
603.94
603.94
603.94
602.38
-
Jul 13, 2026
601.67
601.67
601.67
601.67
600.12
-
Jul 10, 2026
606.48
606.48
606.48
606.48
604.92
-
Jul 9, 2026
603.88
603.88
603.88
603.88
602.32
-
Jul 8, 2026
598.98
598.98
598.98
598.98
597.44
-
Jul 7, 2026
600.67
600.67
600.67
600.67
599.12
-
Jul 6, 2026
603.36
603.36
603.36
603.36
601.81
-
Jul 2, 2026
598.96
598.96
598.96
598.96
597.42
-
Jul 1, 2026
598.94
598.94
598.94
598.94
597.40
-
Jun 30, 2026
600.21
600.21
600.21
600.21
598.66
-
Jun 29, 2026
595.43
595.43
595.43
595.43
593.90
-
Jun 26, 2026
588.52
588.52
588.52
588.52
587.00
-
Jun 25, 2026
588.78
588.78
588.78
588.78
587.26
-
Jun 24, 2026
1.812
Distribution
Fund distributions shown include income and capital gains
Jun 24, 2026
588.81
588.81
588.81
588.81
587.29
-
Jun 23, 2026
591.20
591.20
591.20
591.20
587.87
-
Jun 22, 2026
599.81
599.81
599.81
599.81
596.43
-
Jun 18, 2026
602.01
602.01
602.01
602.01
598.62
-
Jun 17, 2026
595.54
595.54
595.54
595.54
592.19
-
Jun 16, 2026
602.86
602.86
602.86
602.86
599.46
-
Jun 15, 2026
606.29
606.29
606.29
606.29
602.87
-
Jun 12, 2026
596.29
596.29
596.29
596.29
592.93
-
Jun 11, 2026
593.28
593.28
593.28
593.28
589.94
-
Jun 10, 2026
583.06
583.06
583.06
583.06
579.78
-
Jun 9, 2026
592.65
592.65
592.65
592.65
589.31
-
Jun 8, 2026
594.16
594.16
594.16
594.16
590.81
-
Jun 5, 2026
592.37
592.37
592.37
592.37
589.03
-
Jun 4, 2026
608.38
608.38
608.38
608.38
604.95
-
Jun 3, 2026
605.81
605.81
605.81
605.81
602.40
-
Jun 2, 2026
610.30
610.30
610.30
610.30
606.86
-
Jun 1, 2026
609.49
609.49
609.49
609.49
606.06
-
May 29, 2026
607.85
607.85
607.85
607.85
604.43
-
May 28, 2026
606.50
606.50
606.50
606.50
603.08
-
May 27, 2026
603.02
603.02
603.02
603.02
599.62
-
May 26, 2026
602.92
602.92
602.92
602.92
599.52
-
May 22, 2026
599.22
599.22
599.22
599.22
595.84
-
May 21, 2026
596.96
596.96
596.96
596.96
593.60
-
May 20, 2026
595.87
595.87
595.87
595.87
592.51
-
May 19, 2026
589.49
589.49
589.49
589.49
586.17
-
May 18, 2026
593.42
593.42
593.42
593.42
590.08
-
May 15, 2026
593.82
593.82
593.82
593.82
590.47
-
May 14, 2026
601.14
601.14
601.14
601.14
597.75
-
May 13, 2026
596.56
596.56
596.56
596.56
593.20
-
May 12, 2026
593.07
593.07
593.07
593.07
589.73
-
May 11, 2026
594.00
594.00
594.00
594.00
590.65
-
May 8, 2026
592.83
592.83
592.83
592.83
589.49
-
May 7, 2026
587.79
587.79
587.79
587.79
584.48
-
May 6, 2026
590.03
590.03
590.03
590.03
586.71
-
May 5, 2026
581.55
581.55
581.55
581.55
578.27
-
May 4, 2026
576.85
576.85
576.85
576.85
573.60
-
May 1, 2026
579.17
579.17
579.17
579.17
575.91
-
Apr 30, 2026
577.46
577.46
577.46
577.46
574.21
-
Apr 29, 2026
571.59
571.59
571.59
571.59
568.37
-
Apr 28, 2026
571.82
571.82
571.82
571.82
568.60
-
Apr 27, 2026
574.63
574.63
574.63
574.63
571.39
-
Apr 24, 2026
573.92
573.92
573.92
573.92
570.69
-
Apr 23, 2026
569.35
569.35
569.35
569.35
566.14
-
Apr 22, 2026
571.71
571.71
571.71
571.71
568.49
-
Apr 21, 2026
565.78
565.78
565.78
565.78
562.59
-
Apr 20, 2026
569.40
569.40
569.40
569.40
566.19
-
Apr 17, 2026
570.74
570.74
570.74
570.74
567.52
-
Apr 16, 2026
563.95
563.95
563.95
563.95
560.77
-
Apr 15, 2026
562.47
562.47
562.47
562.47
559.30
-
Apr 14, 2026
557.98
557.98
557.98
557.98
554.84
-
Apr 13, 2026
551.47
551.47
551.47
551.47
548.36
-
Apr 10, 2026
545.91
545.91
545.91
545.91
542.83
-
Apr 9, 2026
546.48
546.48
546.48
546.48
543.40
-
Apr 8, 2026
543.09
543.09
543.09
543.09
540.03
-
Apr 7, 2026
529.81
529.81
529.81
529.81
526.83
-
Apr 6, 2026
529.40
529.40
529.40
529.40
526.42
-
Apr 2, 2026
527.03
527.03
527.03
527.03
524.06
-
Apr 1, 2026
526.40
526.40
526.40
526.40
523.43
-
Mar 31, 2026
522.63
522.63
522.63
522.63
519.69
-
Mar 30, 2026
507.80
507.80
507.80
507.80
504.94
-
Mar 27, 2026
509.81
509.81
509.81
509.81
506.94
-
Mar 26, 2026
518.46
518.46
518.46
518.46
515.54
-
Mar 25, 2026
527.64
527.64
527.64
527.64
524.67
-
Mar 24, 2026
5.503
Distribution
Fund distributions shown include income and capital gains
Mar 24, 2026
524.78
524.78
524.78
524.78
521.82
-
Mar 23, 2026
532.27
532.27
532.27
532.27
523.80
-
Mar 20, 2026
526.22
526.22
526.22
526.22
517.85
-
Mar 19, 2026
534.29
534.29
534.29
534.29
525.79
-
Mar 18, 2026
535.73
535.73
535.73
535.73
527.20
-
Mar 17, 2026
543.12
543.12
543.12
543.12
534.48
-
Mar 16, 2026
541.75
541.75
541.75
541.75
533.13
-
Mar 13, 2026
536.26
536.26
536.26
536.26
527.73
-
Mar 12, 2026
539.46
539.46
539.46
539.46
530.88
-
Mar 11, 2026
547.78
547.78
547.78
547.78
539.06
-
Mar 10, 2026
548.22
548.22
548.22
548.22
539.50
-
Mar 9, 2026
549.33
549.33
549.33
549.33
540.59
-
Mar 6, 2026
544.76
544.76
544.76
544.76
536.09
-
Mar 5, 2026
552.01
552.01
552.01
552.01
543.23
-
Mar 4, 2026
555.12
555.12
555.12
555.12
546.29
-
Mar 3, 2026
550.84
550.84
550.84
550.84
542.07
-
Mar 2, 2026
556.07
556.07
556.07
556.07
547.22
-
Feb 27, 2026
555.80
555.80
555.80
555.80
546.96
-
Feb 26, 2026
558.17
558.17
558.17
558.17
549.29
-
Feb 25, 2026
561.18
561.18
561.18
561.18
552.25
-
Feb 24, 2026
556.63
556.63
556.63
556.63
547.77
-
Feb 23, 2026
552.37
552.37
552.37
552.37
543.58
-
Feb 20, 2026
558.15
558.15
558.15
558.15
549.27
-
Feb 19, 2026
554.29
554.29
554.29
554.29
545.47
-
Feb 18, 2026
555.78
555.78
555.78
555.78
546.94
-
Feb 17, 2026
552.68
552.68
552.68
552.68
543.88
-
Feb 13, 2026
552.04
552.04
552.04
552.04
543.25
-
Feb 12, 2026
551.69
551.69
551.69
551.69
542.91
-
Feb 11, 2026
560.42
560.42
560.42
560.42
551.50
-
Feb 10, 2026
560.43
560.43
560.43
560.43
551.51
-
Feb 9, 2026
562.25
562.25
562.25
562.25
553.30
-
Feb 6, 2026
559.58
559.58
559.58
559.58
550.68
-
Feb 5, 2026
548.75
548.75
548.75
548.75
540.02
-
Feb 4, 2026
555.55
555.55
555.55
555.55
546.71
-
Feb 3, 2026
558.38
558.38
558.38
558.38
549.49
-
Feb 2, 2026
563.11
563.11
563.11
563.11
554.15
-
Jan 30, 2026
560.06
560.06
560.06
560.06
551.15
-
Jan 29, 2026
562.45
562.45
562.45
562.45
553.50
-
Jan 28, 2026
563.17
563.17
563.17
563.17
554.21
-
Jan 27, 2026
563.21
563.21
563.21
563.21
554.25
-
Jan 26, 2026
560.92
560.92
560.92
560.92
551.99
-
Jan 23, 2026
558.12
558.12
558.12
558.12
549.24
-
Jan 22, 2026
557.89
557.89
557.89
557.89
549.01
-
Jan 21, 2026
554.84
554.84
554.84
554.84
546.01
-
Jan 20, 2026
548.48
548.48
548.48
548.48
539.75
-
Jan 16, 2026
560.01
560.01
560.01
560.01
551.10
-
Jan 15, 2026
560.33
560.33
560.33
560.33
551.41
-
Jan 14, 2026
558.87
558.87
558.87
558.87
549.98
-
Jan 13, 2026
561.86
561.86
561.86
561.86
552.92
-
Jan 12, 2026
562.94
562.94
562.94
562.94
553.98
-
Jan 9, 2026
562.01
562.01
562.01
562.01
553.07
-
Jan 8, 2026
558.37
558.37
558.37
558.37
549.48
-
Jan 7, 2026
558.32
558.32
558.32
558.32
549.43
-
Jan 6, 2026
560.25
560.25
560.25
560.25
551.33
-
Jan 5, 2026
556.76
556.76
556.76
556.76
547.90
-
Jan 2, 2026
553.24
553.24
553.24
553.24
544.44
-
Dec 31, 2025
552.07
552.07
552.07
552.07
543.28
-
Dec 30, 2025
556.12
556.12
556.12
556.12
547.27
-
Dec 29, 2025
556.88
556.88
556.88
556.88
548.02
-
Dec 26, 2025
558.82
558.82
558.82
558.82
549.93
-
Dec 24, 2025
558.94
558.94
558.94
558.94
550.05
-
Dec 23, 2025
6.108
Distribution
Fund distributions shown include income and capital gains
Dec 23, 2025
557.14
557.14
557.14
557.14
548.27
-
Dec 22, 2025
560.70
560.70
560.70
560.70
545.77
-
Dec 19, 2025
557.08
557.08
557.08
557.08
542.24
-
Dec 18, 2025
552.20
552.20
552.20
552.20
537.49
-
Dec 17, 2025
547.84
547.84
547.84
547.84
533.25
-
Dec 16, 2025
554.26
554.26
554.26
554.26
539.50
-
Dec 15, 2025
555.56
555.56
555.56
555.56
540.76
-
Dec 12, 2025
556.36
556.36
556.36
556.36
541.54
-
Dec 11, 2025
562.32
562.32
562.32
562.32
547.34
-
Dec 10, 2025
561.15
561.15
561.15
561.15
546.20
-
Dec 9, 2025
557.37
557.37
557.37
557.37
542.53
-
Dec 8, 2025
557.85
557.85
557.85
557.85
542.99
-
Dec 5, 2025
559.75
559.75
559.75
559.75
544.84
-
Dec 4, 2025
558.58
558.58
558.58
558.58
543.70
-
Dec 3, 2025
557.94
557.94
557.94
557.94
543.08
-
Dec 2, 2025
556.27
556.27
556.27
556.27
541.45
-
Dec 1, 2025
554.89
554.89
554.89
554.89
540.11
-
Nov 28, 2025
557.79
557.79
557.79
557.79
542.93
-
Nov 26, 2025
554.80
554.80
554.80
554.80
540.02
-
Nov 25, 2025
550.99
550.99
550.99
550.99
536.32
-
Nov 24, 2025
546.01
546.01
546.01
546.01
531.47
-
Nov 21, 2025
537.68
537.68
537.68
537.68
523.36
-
Nov 20, 2025
532.41
532.41
532.41
532.41
518.23
-
Nov 19, 2025
540.75
540.75
540.75
540.75
526.35
-
Nov 18, 2025
538.71
538.71
538.71
538.71
524.36
-
Nov 17, 2025
543.16
543.16
543.16
543.16
528.69
-
Nov 14, 2025
548.13
548.13
548.13
548.13
533.53
-
Nov 13, 2025
548.29
548.29
548.29
548.29
533.69
-
Nov 12, 2025
557.50
557.50
557.50
557.50
542.65
-
Nov 11, 2025
557.13
557.13
557.13
557.13
542.29
-
Nov 10, 2025
555.98
555.98
555.98
555.98
541.17
-
Nov 7, 2025
547.48
547.48
547.48
547.48
532.90
-
Nov 6, 2025
546.73
546.73
546.73
546.73
532.17
-
Nov 5, 2025
552.91
552.91
552.91
552.91
538.18
-
Nov 4, 2025
550.89
550.89
550.89
550.89
536.22
-
Nov 3, 2025
557.43
557.43
557.43
557.43
542.58
-
Oct 31, 2025
556.44
556.44
556.44
556.44
541.62
-
Oct 30, 2025
554.95
554.95
554.95
554.95
540.17
-
